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Rev | Author | Line No. | Line |
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3380 | mario79 | 1 | ;----------------------------------------------------------------------------- |
2 | align 4 |
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3 | create_tone: |
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4 | ;------------------------------------------- |
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5 | mov ebx,[tone_SIZE_Y] |
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6 | xor eax,eax |
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7 | dec al |
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8 | sub al,[tone_color.red] |
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9 | shl eax,24 |
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10 | xor edx,edx |
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11 | div ebx |
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12 | mov [offset_y.red],eax |
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13 | |||
14 | xor eax,eax |
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15 | dec al |
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16 | sub al,[tone_color.green] |
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17 | shl eax,24 |
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18 | xor edx,edx |
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19 | div ebx |
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20 | mov [offset_y.green],eax |
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21 | |||
22 | xor eax,eax |
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23 | dec al |
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24 | sub al,[tone_color.blue] |
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25 | shl eax,24 |
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26 | xor edx,edx |
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27 | div ebx |
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28 | mov [offset_y.blue],eax |
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29 | ;------------------------------------------- |
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30 | mov edi,[tone_area] |
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31 | xor ecx,ecx |
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32 | ;------------------------------------------- |
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33 | align 4 |
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34 | @@: |
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35 | mov eax,[tone_color] |
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36 | ; blue |
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37 | mov edx,[offset_y.blue] |
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38 | call next_color_Y |
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39 | ror eax,8 |
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40 | ; green |
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41 | mov edx,[offset_y.green] |
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42 | call next_color_Y |
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43 | ror eax,8 |
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44 | ; red |
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45 | mov edx,[offset_y.red] |
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46 | call next_color_Y |
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47 | rol eax,16 |
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48 | |||
49 | call tone_put_line |
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50 | add ecx,1 |
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51 | cmp ecx,[tone_SIZE_X] |
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52 | jne @b |
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53 | |||
54 | ret |
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55 | ;----------------------------------------------------------------------------- |
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56 | tone_put_line: |
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57 | push ecx |
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58 | |||
59 | mov ecx,eax |
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60 | mov ebx,[tone_SIZE_X] |
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61 | shl eax,24 |
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62 | xor edx,edx |
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63 | div ebx |
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64 | mov [offset_x.blue],eax |
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65 | |||
66 | mov eax,ecx |
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67 | shr eax,8 |
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68 | shl eax,24 |
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69 | xor edx,edx |
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70 | div ebx |
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71 | mov [offset_x.green],eax |
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72 | |||
73 | mov eax,ecx |
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74 | shr eax,16 |
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75 | shl eax,24 |
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76 | xor edx,edx |
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77 | div ebx |
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78 | mov [offset_x.red],eax |
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79 | mov eax,ecx |
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80 | |||
81 | push ebx esi |
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82 | mov ecx,[tone_SIZE_X] |
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83 | xor edx,edx |
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84 | xor ebx,ebx |
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85 | xor esi,esi |
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86 | @@: |
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87 | mov eax,edx |
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88 | shr eax,24 |
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89 | add edx,[offset_x.blue] |
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90 | mov [edi],al |
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91 | mov eax,ebx |
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92 | shr eax,24 |
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93 | add ebx,[offset_x.green] |
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94 | mov [edi+1],al |
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95 | mov eax,esi |
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96 | shr eax,24 |
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97 | add esi,[offset_x.red] |
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98 | mov [edi+2],al |
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99 | add edi,3 |
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100 | dec ecx |
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101 | jnz @b |
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102 | pop esi ebx |
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103 | pop ecx |
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104 | ret |
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105 | ;----------------------------------------------------------------------------- |
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106 | align 4 |
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107 | next_color_Y: |
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108 | imul edx,ecx |
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109 | rol edx,8 |
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110 | add al,dl |
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111 | ret |
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112 | ;----------------------------------------------------------------------------- |